Diffuser for hair dryer



FIG. 1 is a perspective view of a diffuser for hair dryer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for diffuser for hair dryer, as shown. 